Datasheet

21
6062LS–ATARM–23-Mar-09
AT91SAM9261
8.1.3 ETM
™
Memories
The eight ETM9 Medium+ memory map decoder inputs are connected to custom address
decoders and the resulting memory mapping is summarized in Table 8-6.
8.2 External Memories
The external memories are accessed through the External Bus Interface (Bus Matrix Slave 3).
Refer to the memory map in Figure 8-1 on page 16.
Table 8-6. ETM9 Memory Mapping
Product Resource Area Access Type Start Address End Address
SRAM Internal Data 0x0000 0000 0x002F FFFF
SRAM Internal Fetch 0x0000 0000 0x002F FFFF
ROM Internal Data 0x0040 0000 0x004F FFFF
ROM Internal Fetch 0x0040 0000 0x004F FFFF
External Bus Interface External Data 0x1000 0000 0x8FFF FFFF
External Bus Interface External Fetch 0x1000 0000 0x8FFF FFFF
User Peripherals Internal Data 0xF000 0000 0xFFFF BFFF
System Peripherals Internal Data 0xFFFF C000 0xFFFF FFFF